.centerBox {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 1;

  .excerpt {
    width: 798px;
    margin-top: 60px;
    line-height: 34px;
    font-size: 16px;
    color: #3D446E;
    font-family: PingFangSC-Medium, PingFang SC;
  }
  @media screen and (max-width: 750px){
    .excerpt {
      width: calc(100vw - 60px);
      font-size: 18px;
    }
  }
}

.content {
  background-image: url('http://assets.dtstack.com/UEDLanding/About/about_bg.png');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  position: relative;

  .footer {
    position: absolute;
    left: 50%;
    bottom: 60px;
    transform: translateX(-50%);
    text-align: center;
    .describe {
      font-weight: 400;
      font-family: PingFangSC-Regular, PingFang SC;
      line-height: 20px;
      color: #8B8FA8;
      font-size: 12px;
    }
  }
}

@media screen and (max-width: 750px){
  .content{
    background-image: url("http://assets.dtstack.com/UEDLanding/H5/bgAbout.png");
    .footer {
      .describe {
        font-size: 18px;
      }
    }
  }
}
